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Protein

Xanthine dehydrogenase

Gene

ry

Organism
Drosophila pseudoobscura pseudoobscura (Fruit fly)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Key enzyme in purine degradation. Catalyzes the oxidation of hypoxanthine to xanthine. Catalyzes the oxidation of xanthine to uric acid (By similarity).By similarity

Catalytic activityi

Xanthine + NAD+ + H2O = urate + NADH.
Hypoxanthine + NAD+ + H2O = xanthine + NADH.

Cofactori

Protein has several cofactor binding sites:
  • [2Fe-2S] clusterBy similarityNote: Binds 2 [2Fe-2S] clusters.By similarity
  • FADBy similarity
  • Mo-molybdopterinBy similarityNote: Binds 1 Mo-molybdopterin (Mo-MPT) cofactor per subunit.By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi47Iron-sulfur 1By similarity1
Metal bindingi52Iron-sulfur 1By similarity1
Metal bindingi55Iron-sulfur 1By similarity1
Metal bindingi77Iron-sulfur 1By similarity1
Metal bindingi117Iron-sulfur 2By similarity1
Metal bindingi120Iron-sulfur 2By similarity1
Metal bindingi152Iron-sulfur 2By similarity1
Metal bindingi154Iron-sulfur 2By similarity1
Binding sitei343FADBy similarity1
Binding sitei366FADBy similarity1
Binding sitei414FAD; via amide nitrogen and carbonyl oxygenBy similarity1
Binding sitei432FADBy similarity1
Metal bindingi780MolybdenumBy similarity1
Metal bindingi811Molybdenum; via carbonyl oxygenBy similarity1
Binding sitei815SubstrateBy similarity1
Binding sitei893SubstrateBy similarity1
Metal bindingi925Molybdenum; via amide nitrogenBy similarity1
Binding sitei927SubstrateBy similarity1
Metal bindingi1092Molybdenum; via amide nitrogenBy similarity1
Active sitei1275Proton acceptorBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi263 – 270FADBy similarity8
Nucleotide bindingi353 – 357FADBy similarity5

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase
Ligand2Fe-2S, FAD, Flavoprotein, Iron, Iron-sulfur, Metal-binding, Molybdenum, NAD

Names & Taxonomyi

Protein namesi
Recommended name:
Xanthine dehydrogenase (EC:1.17.1.4)
Short name:
XD
Alternative name(s):
Protein rosy locus
Gene namesi
Name:ry
Synonyms:XDH
ORF Names:GA20500
OrganismiDrosophila pseudoobscura pseudoobscura (Fruit fly)
Taxonomic identifieri46245 [NCBI]
Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
Proteomesi
  • UP000001819 Componentsi: Chromosome 2, Partially assembled WGS sequence

Organism-specific databases

FlyBaseiFBgn0012736 Dpse\ry

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Peroxisome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001660801 – 1343Xanthine dehydrogenaseAdd BLAST1343

Proteomic databases

PRIDEiP22811

Expressioni

Gene expression databases

BgeeiFBgn0012736

Interactioni

Subunit structurei

Homodimer.By similarity

Protein-protein interaction databases

STRINGi7237.FBpp0282224

Structurei

3D structure databases

ProteinModelPortaliP22811
SMRiP22811
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini8 – 952Fe-2S ferredoxin-typePROSITE-ProRule annotationAdd BLAST88
Domaini235 – 424FAD-binding PCMH-typePROSITE-ProRule annotationAdd BLAST190

Sequence similaritiesi

Belongs to the xanthine dehydrogenase family.Curated

Phylogenomic databases

InParanoidiP22811
KOiK00106
OMAiKPEDGEM

Family and domain databases

CDDicd00207 fer2, 1 hit
InterProiView protein in InterPro
IPR002888 2Fe-2S-bd
IPR036884 2Fe-2S-bd_dom_sf
IPR036010 2Fe-2S_ferredoxin-like_sf
IPR001041 2Fe-2S_ferredoxin-type
IPR006058 2Fe2S_fd_BS
IPR000674 Ald_Oxase/Xan_DH_a/b
IPR036856 Ald_Oxase/Xan_DH_a/b_sf
IPR016208 Ald_Oxase/xanthine_DH
IPR008274 AldOxase/xan_DH_Mopterin-bd
IPR037165 AldOxase/xan_DH_Mopterin-bd_sf
IPR005107 CO_DH_flav_C
IPR036683 CO_DH_flav_C_dom_sf
IPR016166 FAD-bd_2
IPR036318 FAD-bd_2-like_sf
IPR002346 Mopterin_DH_FAD-bd
IPR022407 OxRdtase_Mopterin_BS
IPR014307 Xanthine_DH_ssu
PfamiView protein in Pfam
PF01315 Ald_Xan_dh_C, 1 hit
PF02738 Ald_Xan_dh_C2, 1 hit
PF03450 CO_deh_flav_C, 1 hit
PF00941 FAD_binding_5, 1 hit
PF00111 Fer2, 1 hit
PF01799 Fer2_2, 1 hit
PIRSFiPIRSF000127 Xanthine_DH, 1 hit
SMARTiView protein in SMART
SM01008 Ald_Xan_dh_C, 1 hit
SM01092 CO_deh_flav_C, 1 hit
SUPFAMiSSF47741 SSF47741, 1 hit
SSF54292 SSF54292, 1 hit
SSF54665 SSF54665, 1 hit
SSF55447 SSF55447, 1 hit
SSF56003 SSF56003, 1 hit
SSF56176 SSF56176, 1 hit
TIGRFAMsiTIGR02963 xanthine_xdhA, 1 hit
PROSITEiView protein in PROSITE
PS00197 2FE2S_FER_1, 1 hit
PS51085 2FE2S_FER_2, 1 hit
PS51387 FAD_PCMH, 1 hit
PS00559 MOLYBDOPTERIN_EUK, 1 hit

Sequencei

Sequence statusi: Complete.

P22811-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSGQQKTSEL VFFVNGKKVT DTNPDPECTL LTYLRDKLRL CGTKLGCAEG
60 70 80 90 100
GCGACTVVIS RMDRGQNKIR HLAVNACLTP VCAMHGCAVT TVEGIGSTRT
110 120 130 140 150
RLHPVQERLA KAHGSQCGFC TPGIVMSMYA LLRSAEQPSM RDLEVAFQGN
160 170 180 190 200
LCRCTGYRPI LEGYKTFTKE FACGMGDKCC KVNGKGCGGG DDTQSVTDDT
210 220 230 240 250
LFERSQFQPL DPSQEPIFPP ELQLTPTYDS ESLIFSSERV TWYRPTTLQE
260 270 280 290 300
LLQLKSDHPS AKLVVGNTEV GVEVKFKHFL YPHLINPTQV PELLEVRESE
310 320 330 340 350
ESIYFGAAVS LMEIDALLRQ RIEELPEAQT RLFQCAVDML HYFAGKQIRN
360 370 380 390 400
VACLGGNIMT GSPISDMNPV LTAAGARLEV ASLVGGKTSH RTVHMGTGFF
410 420 430 440 450
TGYRRNVIEP HEVLLGIHFQ KTTPDQHVVA FKQARRRDDD IAIVNAAVNV
460 470 480 490 500
RFEPRTNVVA GISMAFGGMA PTTVLAPRTS QLMVKQPLDH HLVERVAESL
510 520 530 540 550
CGELPLAASA PGGMIAYRRA LVVSLIFKAY LSISRKLSEA GIISTDAIPA
560 570 580 590 600
EERSGAELFH TPVLRSAQLF ERVCSEQPVC DPIGRPEVHA AALKQATGEA
610 620 630 640 650
IYTDDIPRMD GELYLGLVLS TKPRAKITKL DASEALALEG VHAFFSHKDL
660 670 680 690 700
TEHENEVGPV FHDEHVFAAA EVHCYGQIVG AVAADNKALA QRAARLVRVE
710 720 730 740 750
YEELAPVIVT IEQAIEHGSY FPDYPRYVNK GNVEEAFAAA EHTYEGSCRM
760 770 780 790 800
GGQEHFYLET HAAVAVPRDS DELELFCSTQ HPSEVQKLVA HVTTLPAHRV
810 820 830 840 850
VCRAKRLGGG FGGKESRGIS VALPVALAAY RLRRPVRCML DRDEDMLITG
860 870 880 890 900
TRHPFLFKYK VAFASDGLIT ACDIECYNNA GWSMDLSFSV LERAMYHFEN
910 920 930 940 950
CYRIPNVRVG GWVCKTNLPS NTAFRGFGGP QGMFAGEHII RDVARIVGRD
960 970 980 990 1000
VLDVMRLNFY KTGDITHYNQ KLEHFPIERC LDDCLAQSRY HEKRTEIAKF
1010 1020 1030 1040 1050
NRENRWRKRG MAVIPTKYGI AFGVMHLNQA GALINVYGDG SVLLSHGGVE
1060 1070 1080 1090 1100
IGQGLNTKMI QCAARALGIP IELIHISETA TDKVPNTSPT AASVGSDLNG
1110 1120 1130 1140 1150
MAVLDACEKL NKRLAPIKEA LPQGTWQEWI NKAYFDRVSL SATGFYAMPG
1160 1170 1180 1190 1200
IGYHPETNPN ARTYSYYTNG VGISVVEIDC LTGDHQVLST DIVMDIGSSI
1210 1220 1230 1240 1250
NPAIDIGQIE GAFMQGYGLF TLEELMYSPQ GMLYSRGPGM YKLPGFADIP
1260 1270 1280 1290 1300
GEFNVSLLTG APNPRAVYSS KAVGEPPLFI GSSAFFAIKE AIAAARQEQG
1310 1320 1330 1340
LTGDFPLEAP STSARIRMAC QDKFTNLLEI PEEGSFTPWN IVP
Length:1,343
Mass (Da):147,349
Last modified:July 11, 2006 - v2
Checksum:iA58C142336E14BC9
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti58V → M in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti200T → A in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti428V → I in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti428V → I in AAX13180 (PubMed:15545653).Curated1
Sequence conflicti461G → E in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti461G → E in AAX13180 (PubMed:15545653).Curated1
Sequence conflicti475L → V in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti734E → D in AAX13180 (PubMed:15545653).Curated1
Sequence conflicti747S → N in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti762A → G in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti986A → V in AAX13180 (PubMed:15545653).Curated1
Sequence conflicti1245Missing in AAA29022 (PubMed:2493563).Curated1
Sequence conflicti1320C → F in AAA29022 (PubMed:2493563).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M33977 Genomic DNA Translation: AAA29022.1
CM000070 Genomic DNA Translation: EAL27642.2
AY754605 Genomic DNA Translation: AAX13180.1
PIRiA31946
RefSeqiXP_001358503.2, XM_001358466.3

Genome annotation databases

EnsemblMetazoaiFBtr0283786; FBpp0282224; FBgn0012736
GeneIDi4801405
KEGGidpo:Dpse_GA20500

Similar proteinsi

Entry informationi

Entry nameiXDH_DROPS
AccessioniPrimary (citable) accession number: P22811
Secondary accession number(s): Q299Q9, Q56RA2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 1, 1991
Last sequence update: July 11, 2006
Last modified: May 23, 2018
This is version 130 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programDrosophila annotation project

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  2. SIMILARITY comments
    Index of protein domains and families

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